[R] inverting a table
David Winsemius
dwinsemius at comcast.net
Sun Apr 5 22:17:58 CEST 2009
?t # I knew it worked with matrices so seemed reasonable to see if it
worked on tables.
> t(with(warpbreaks, table(wool, tension)) )
wool
tension A B
L 9 9
M 9 9
H 9 9
> with(warpbreaks, table(wool, tension))
tension
wool L M H
A 9 9 9
B 9 9 9
On Apr 5, 2009, at 3:56 PM, Donald Braman wrote:
> Is there an easy way to invert a table? (not to solve for the
> inverted
> matrix, just swap rows for columns & vice versa). I've gone through
> my data
> manipulation bible (Phil Spector's book), but to no avail.
>
> [[alternative HTML version deleted]]
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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